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https://issues.apache.org/jira/browse/IGNITE-11604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16809885#comment-16809885
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Ignite TC Bot commented on IGNITE-11604:
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{color:#d04437}Thin client: PHP{color} [[tests 0 Exit Code
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> Drop column does not remove column from internal schema
> -------------------------------------------------------
>
> Key: IGNITE-11604
> URL: https://issues.apache.org/jira/browse/IGNITE-11604
> Project: Ignite
> Issue Type: Bug
> Components: sql
> Reporter: Alexey Goncharuk
> Assignee: Taras Ledkov
> Priority: Critical
> Fix For: 2.8
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Discovered this during the work on IGNITE-11541 (see
> {{StaticCacheDdlTest.testDropColumn}}).
> After a quick debug I see the following: in
> {{GridQueryProcessor#onSchemaFinishDiscovery}} we call
> {{DynamicCacheDescriptor.schemaChangeFinish(msg)}}, which eventually calls
> {{QuerySchema.finish(op)}}.
> Inside that method we have the following: the {{message.columns()}}
> collection has the field name in upper case (in the test it's
> "FIELD_TO_DROP"), but the entity's fields map contains lower-case names
> ("field_to_drop"). As a result, we do not remove the field from the query
> entity, this query entity is saved to the stored cache data and field
> re-appears after restart.
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